The release of Albert Einstein: P=mc2 (Deluxe Edition) finds four additional tracks from Prodigy and Alchemist , including "Murder Goes Down," a proclamation of Mob Deep 's standing in the game: "We hold down the fort, forever/ Some other rap squad replace us, never/ In your whole life of living will there be/ Another like Hav, another Don P..." You're all noticing that bass line, too. It's quite persuasive, and will have its hooks in you, in no time.